(under the class definition) Subject matter relating to electrical systems which cause the rapid combustion of a fuel or the detonation of an explosive charge.
(1) Note. The subject matter in this subclass does not include the fuel being ignited or the explosive being detonated.
SEE OR SEARCH CLASS
123, Internal-Combustion Engines,
143+, for igniting systems utilized with internal-combustion engines.
126, Stoves and Furnaces, appropriate subclasses for solid fuel burners having igniting means.
221, Article dispensing,
143+, for article dispensers having electrical igniting means. 236, Automatic Temperature and Humidity Regulation, appropriate subclasses for complete heating systems having igniters as a portion thereof.
431, Combustion,
258+, for a fuel burner having an electrical igniter or heater.